Method for producing regenerated sintered porous shale brick by using waste sintered bricks
A technology for discarding sintered bricks and porous bricks, applied in the field of building materials, can solve the problems of high utilization rate of construction waste recycling, less than 5% utilization rate of resource utilization, aggravating environmental impact and pollution, etc., so as to reduce the amount of mining and improve the Density, the effect of improving the density
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[0041] Example 1
[0042] A method for producing recycled sintered shale porous bricks using waste sintered bricks includes the following steps:
[0043] S1. Raw material pretreatment:
[0044] Recycling, sorting, crushing, grinding and sieving waste sintered bricks to obtain waste sintered brick powder with a particle size ≤ 2mm;
[0045] The shale is crushed, ground and sieved to obtain shale powder with a particle size ≤ 2mm.
[0046] The particle size distribution of the shale powder and waste sintered brick powder is shown in image 3 with Figure 4 .
[0047] S2. Aging:
[0048] The waste sintered brick powder and shale powder are mixed to obtain a mixture, and then the mixture is put into an aging warehouse for aging, wherein, in terms of mass fraction, the waste sintered brick powder accounts for 30% of the mixture.
[0049] S3. Forming and drying:
[0050] The aged mixture is put into the molding blank, the bricks are formed, and then the formed bricks are dried. Place the formed ...
Example Embodiment
[0053] Example 2 A method for producing regenerated sintered shale porous bricks using waste sintered bricks. Compared with Example 1, the firing temperature is 950°C, and the other steps are the same.
Example Embodiment
[0054] Example 3 is a method for producing regenerated sintered shale porous bricks using waste sintered bricks. Compared with Example 1, the firing temperature is 1000° C., and the other steps are the same.
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